351 / 352 TROUBLESHOOTING
TROUBLESHOOTING
Our Customer Service Department is available
Monday through Friday 8:00 AM to 5:00 PM EST
at 800-835-5011.
1) Unit Does Not Turn On: Batteries are installed
incorrectly or dead. Check batteries are installed
according to picture on rear label. Replace batteries.
2) Display Shows "Prob": Probe is broken (Open
thermocouple. See "Test for Broken Probe"
below).
3) Test for Broken Probe: Pull the probe connector out
partially to expose the blade contacts. Place a metal
paper clip across connector blades to short contacts.
If instrument displays temperature, the probe is
broken. Replace Probe.
4) Battery Icon Appears on Display: Low battery.
Replace batteries.
5) Display Shows "bAtt" and Instrument Shuts Off:
Replace batteries.
6) Display Shows "LO" or "HI": Temperature measured
is outside measurement range of instrument.
WARRANTY:
Cooper-Atkins thermometers are backed by a 5-year
Instrument Warranty and 1-year Probe Warranty on
defects in workmanship and materials.
351 / 352 WARRANTY
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